This OQL grammar has been derived from a OQL sample grammar from the ODMG
WebSite. The original grammar is copyright protected by MicroData Base
Systems: Copyright (c) 1999 Micro Data Base Systems, Inc. All rights
reserved.
The original grammar has been modified to fit into the OJB
Persistence Managment System.
Modifications done by Ch. Rath, Th. Mahler, S. Harris and many others.
This grammar can be used to build an OQL Parser with the ANTLR Parser
construction set.
The grammar defines a Parser that translates valid OQL Strings
into ojb.broker.query.Query Objects. These query objects can be used
to perform database queries by means of the OJB PersistenceBroker.